Catalog HY15-3502/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Check
Valves
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SH
CV
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BC
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Bodies &
Cavities
Solenoid
Valves
Ball Type Check Valve
Series D02B2
CV8
Technical Information
Specifications
Dimensions Millimeters (Inches)
Rated Flow 80 LPM (21 GPM)
Nominal Flow @ 45 LPM (12 GPM)
7 Bar (100 PSI)
Maximum Inlet 420 Bar (6000 PSI)
Pressure
Leakage at Less than 3 drops/min.
150 SSU (32 cSt)
Cartridge Material Steel operating parts,
hardened steel ball.
Operating Temp. -40°C to +93.3°C (Nitrile, Buna-N)
Range/Seals (-40°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO code 16/13,
SAE Class 4 or better
Approx. Weight .05 kg (.11 lbs.)
Cavity C08-2
(See BC Section for more details)
Ordering Information
Performance Curve
Pressure Drop vs. Flow (Through cartridge only)
General Description
Ball Type Check Valve. For additional
information see Technical Tips on pages CV1-CV4.
Features
•
Low leakage - less than 3 drops/min.
•
Ball type construction for cost effective design
•
Single and dual pilot pistons available to create pilot
to open check
•
Range of cracking pressures available - up to
25 Bar (362 PSI)
•
Good contamination tolerance
•
All external parts zinc plated
Code Seals / Kit No.
N Nitrile, Buna-N /
(SK30515N-1)
V Fluorocarbon /
(SK30515V-1)
Code Cracking Pressure
0.0 0.0 Bar (0 PSI)
0.2 0.2 Bar (3 PSI) Std.
1.0 1.0 Bar (15 PSI)
1.5 1.5 Bar (22 PSI)
2.1 2.1 Bar (30 PSI)
2.5 2.5 Bar (36 PSI)
3.4 3.4 Bar (50 PSI)
4.0 4.0 Bar (58 PSI)
6.0 6.0 Bar (87 PSI)
6.9 6.9 Bar (100 PSI)
10.0 10.0 Bar (145 PSI)
17.0 17.0 Bar (247 PSI)
20.0 20.0 Bar (290 PSI)
25.0 25.0 Bar (362 PSI)
D02B2
Ball Type
Check Valve
Cracking
Pressure
Seals
D02B2-0.2
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Flow (Q)
20
5.3
40
10.6
LPM
GPM
0
60
15.9
80
21.2
0
73
290 20
15
10
5
218
PSI Bar
145
Pressure Drop ( P)
(2)(1)
Free Flow
(1) In
(2)
Out
22 AF Hex
40 Nm (30 lb. ft.)
Torque
(1)
In
(2)
Out
3/4-16 UNF-2A
Thread
27.2
(1.07)
6.5
(0.26)
Port
Size
Body
Material
* Add “A” for aluminum, omit for steel.
Code Port Size Body Part No.
Omit Cartridge Only
4P 1/4″ NPTF (B08-2-*4P)
6P 3/8″ NPTF (B08-2-*6P)
4T SAE-4 (B08-2-*4T)
6T SAE-6 (B08-2-*6T)
6B 3/8″ BSPG (B08-2-*6B)
Code Body Material
Omit Steel
A Aluminum
